2222112211220 has 24 divisors (see below), whose sum is σ = 5090657066208. Its totient is φ = 808040804000.

The previous prime is 2222112211219. The next prime is 2222112211229. The reversal of 2222112211220 is 221122112222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2222112211192 and 2222112211201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222112211229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5050254806 + ... + 5050255245.

It is an arithmetic number, because the mean of its divisors is an integer number (212110711092).

Almost surely, 2^{2222112211220} is an apocalyptic number.

2222112211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222112211220 is an abundant number, since it is smaller than the sum of its proper divisors (2868544854988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222112211220 is a wasteful number, since it uses less digits than its factorization.

2222112211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100510071 (or 10100510069 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2222112211220 its reverse (221122112222), we get a palindrome (2443234323442).

It can be divided in two parts, 2 and 222112211220, that added together give a palindrome (222112211222).

The spelling of 2222112211220 in words is "two trillion, two hundred twenty-two billion, one hundred twelve million, two hundred eleven thousand, two hundred twenty".